dovsdúoWhat's the difference?

Which to use

“do” and “dúo” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,980
“do” frequency rank
#12,808
“dúo” frequency rank
14788
confusion score

Side-by-Side Comparison

Feature do dúo
Definition Nota musical. Corresponde a la primera en la escala musical, situada entre el si y el re. Composición musical escrita para ser interpretada por dos instrumentos o dos voces.

Where the eye mixes do and dúo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch
do
3 ch
dúo

Look-alike desk: do vs dúo

A purely visual mix-up. do ([ˈd̪o]) and dúo ([ˈd̪uo]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 14788, derived from the frequency rank of both members and their visual similarity.

do is recorded at frequency rank #1,980, classified as anoun, pronounced [ˈd̪o]. dúo is at rank #12,808, tagged as anoun, pronounced [ˈd̪uo].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 14788, this pair ranks #282,728 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of do vs dúo

Shared letters: do. Private to "do": -. Private to "dúo": ú.

"do" · 2 letters · shape CV  ·  "dúo" · 3 letters · shape CVV

Frequently Asked Questions

Can "do" and "dúo" be used interchangeably?
No. They are said differently ([ˈd̪o] versus [ˈd̪uo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "do" or "dúo"?
"do" is the more common of the two: it sits at frequency rank #1,980 in our Spanish list, against #12,808 for "dúo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "do" and "dúo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "do" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dúo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #282,728 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "do" and "dúo" also get mixed up with nearby pairs, the highest-scored neighbour is "divo vs dúo". Nearby pair

Confusion rank #282,728 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list